[Rock-dev] Bug in qtruby connect in combination with blocks and metods

[Sylvain Joyeux]

On 01/14/2011 09:34 AM, Alexander Duda wrote:
> There is a very ugly bug in qtruby. The following connections are no
> longer working if the program needs more memory.
Is it your analysis of the problem, or did you ask the qtruby developers ?

> QObject.connect(SIGNAL(:signal)) do
> 	puts 123
> end
>
> QObject.connect(SIGNAL(:signal),myobj,:mymethod) do
> 	puts 123
> end
>
> The reason is that the garbage collector seems to delete the
> Qt::BlockInvocation / Qt::SignalBlockInvocation / Qt::MethodInvocation
> objects which are generated by the methods Internal.signal_connect,
> Internal.method_connect and Internal.connect (qtruby4.rb:2862).
>
> A fix for this would be a static array where a reference to each object
> is stored.
>
> Any suggestions?
If that's the case, you can always override #connect in vizkit ... But 
that's annoying.
-- 
Sylvain Joyeux (Dr.Ing.)
Space & Security Robotics

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